diff --git a/platform/core-api/src/com/intellij/psi/util/PsiUtilCore.java b/platform/core-api/src/com/intellij/psi/util/PsiUtilCore.java
index 5db672fa8fcb..683369896164 100644
--- a/platform/core-api/src/com/intellij/psi/util/PsiUtilCore.java
+++ b/platform/core-api/src/com/intellij/psi/util/PsiUtilCore.java
@@ -20,7 +20,10 @@ import com.intellij.lang.FileASTNode;
 import com.intellij.lang.Language;
 import com.intellij.navigation.ItemPresentation;
 import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.diagnostic.Attachment;
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Comparing;
@@ -45,6 +48,7 @@ import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import java.util.Collection;
+import java.util.List;
 
 /**
  * @author yole
@@ -486,6 +490,41 @@ public class PsiUtilCore {
     }
   }
 
+  /**
+   * Tries to find PSI file for a virtual file and throws assertion error with debug info if it is null.
+   */
+  @NotNull
+  public static PsiFile getPsiFile(@NotNull Project project, @NotNull VirtualFile file) {
+    PsiManager psiManager = PsiManager.getInstance(project);
+    PsiFile psi = psiManager.findFile(file);
+    if (psi != null) return psi;
+    FileType fileType = file.getFileType();
+    FileViewProvider viewProvider = psiManager.findViewProvider(file);
+    Document document = FileDocumentManager.getInstance().getDocument(file);
+    StringBuilder sb = new StringBuilder();
+    sb.append("valid=").append(file.isValid()).
+      append(" isDirectory=").append(file.isDirectory()).
+      append(" hasDocument=").append(document != null).
+      append(" length=").append(file.getLength());
+    sb.append("\nproject=").append(project.getName()).
+      append(" default=").append(project.isDefault()).
+      append(" open=").append(project.isOpen());;
+    sb.append("\nfileType=").append(fileType.getName()).append("/").append(fileType.getClass().getName());
+    sb.append("\nviewProvider=").append(viewProvider == null ? "null" : viewProvider.getClass().getName());
+    if (viewProvider != null) {
+      List<PsiFile> files = viewProvider.getAllFiles();
+      sb.append(" language=").append(viewProvider.getBaseLanguage().getID());
+      sb.append(" physical=").append(viewProvider.isPhysical());
+      sb.append(" rootCount=").append(files.size());
+      for (PsiFile o : files) {
+        sb.append("\n  root=").append(o.getLanguage().getID()).append("/").append(o.getClass().getName());
+      }
+    }
+    LOG.error("no PSI for file '" + file.getName() + "'", new Attachment(file.getPresentableUrl(), sb.toString()));
+    throw new AssertionError();
+  }
+
+
   /**
    * @deprecated use CompletionUtil#getOriginalElement where appropriate instead
    */
diff --git a/platform/lang-impl/src/com/intellij/execution/console/LanguageConsoleImpl.java b/platform/lang-impl/src/com/intellij/execution/console/LanguageConsoleImpl.java
index 67fa2b13e228..01ae9e5c1611 100644
--- a/platform/lang-impl/src/com/intellij/execution/console/LanguageConsoleImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/console/LanguageConsoleImpl.java
@@ -47,10 +47,9 @@ import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiFile;
-import com.intellij.psi.PsiManager;
-import com.intellij.psi.SingleRootFileViewProvider;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
 import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.util.PsiUtilCore;
 import com.intellij.testFramework.LightVirtualFile;
 import com.intellij.ui.components.JBScrollBar;
 import com.intellij.util.DocumentUtil;
@@ -559,16 +558,7 @@ public class LanguageConsoleImpl extends ConsoleViewImpl implements LanguageCons
 
   @NotNull
   protected PsiFile createFile(@NotNull Project project, @NotNull VirtualFile virtualFile) {
-    PsiFile file = PsiManager.getInstance(project).findFile(virtualFile);
-    if (file == null) {
-      Language language = new SingleRootFileViewProvider(PsiManager.getInstance(project), virtualFile).getBaseLanguage();
-      throw new AssertionError(String.format("no PSI for '%s'\nfile valid=%s, fileType=%s, language=%s",
-                                             virtualFile.getName(),
-                                             virtualFile.isValid(),
-                                             virtualFile.getFileType(),
-                                             language));
-    }
-    return file;
+    return PsiUtilCore.getPsiFile(project, virtualFile);
   }
 
   boolean isHistoryViewerForceAdditionalColumnsUsage() {